Dorman H86574 Brake Hydraulic Hose - Front Left or Front Right

Reliable Brake Hydraulic Hose for Buick, Oldsmobile, and Pontiac

The Dorman H86574 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Buick, Oldsmobile, and Pontiac models. Engineered with durable materials, this flexible hose ensures consistent braking performance for vehicles like the Skyhawk, Starfire, and Sunbird.

• Compatible with Buick Skyhawk, Oldsmobile Starfire, and Pontiac Sunbird
• Flexible brake hydraulic hose with EPDM rubber construction
• Black outer sleeve made of durable rubber for protection
• Ends feature treated steel fittings: banjo type on one end and female on the other
• Includes gaskets for proper sealing; mounting hardware and brackets not included
• Overall length of 10.75 inches with precise fitting dimensions

Durable Construction and Precise Fitment

The Dorman H86574 brake hydraulic hose is built with an EPDM rubber hose material that offers resistance to heat, brake fluid, and environmental factors. The black rubber outer sleeve adds an extra layer of protection against abrasion and wear. Both ends of the hose feature treated steel fittings—one banjo fitting with a 0.438-inch thread diameter and one female fitting with a 3/8 inch-24 inside diameter—ensuring secure connections to the brake system. The included gaskets help maintain a leak-free seal during installation. With an overall length of 10.75 inches and a flexible design, this hose is engineered to meet the specific requirements of Buick Skyhawk, Oldsmobile Starfire, and Pontiac Sunbird models.

Applications and Problem Resolution

• Replaces worn or cracked brake hydraulic hoses causing fluid leaks
• Restores proper brake fluid pressure and pedal feel
• Eliminates brake system soft or spongy pedal issues
• Prevents brake fluid contamination from damaged hose outer sleeves
• Ensures safe and reliable braking performance for compatible vehicles

Installation Notes and Tips

When installing the Dorman H86574 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, noting the orientation of the banjo and female fittings. Replace the gaskets included in the package to prevent leaks. Avoid twisting or kinking the flexible hose during installation. Tighten fittings to manufacturer torque specifications to maintain a secure and leak-free connection. Bleed the brake system thoroughly after installation to remove any air and restore proper brake function.

Quality Assurance and Warranty

Dorman brake hydraulic hoses are manufactured to meet or exceed OEM standards for fit, form, and function. The H86574 part number undergoes rigorous quality control to ensure durability and reliability in braking applications. This product includes gaskets for proper sealing but does not include mounting hardware or brackets. Please refer to Dorman's warranty policy for specific coverage details.